15070050 has 90 divisors (see below), whose sum is σ = 42570099. Its totient is φ = 3952800.

The previous prime is 15070049. The next prime is 15070057. The reversal of 15070050 is 5007051.

It is a happy number.

15070050 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 5 ways, for example, as 23409 + 15046641 = 153^2 + 3879^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2745.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15070057) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 247020 + ... + 247080.

Almost surely, 2^15070050 is an apocalyptic number.

15070050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15070050

15070050 is an abundant number, since it is smaller than the sum of its proper divisors (27500049).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15070050 is an equidigital number, since it uses as much as digits as its factorization.

15070050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 15070050 is about 3882.0162287141. The cubic root of 15070050 is about 247.0045183764.

Multiplying 15070050 by its sum of digits (18), we get a square (271260900 = 16470²).

15070050 divided by its sum of digits (18) gives a square (837225 = 915²).

The spelling of 15070050 in words is "fifteen million, seventy thousand, fifty".