15070000 has 100 divisors (see below), whose sum is σ = 40093416. Its totient is φ = 5440000.

The previous prime is 15069997. The next prime is 15070049. The reversal of 15070000 is 7051.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109932 + ... + 110068.

Almost surely, 2^15070000 is an apocalyptic number.

15070000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15070000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20046708).

15070000 is an abundant number, since it is smaller than the sum of its proper divisors (25023416).

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

15070000 is a wasteful number, since it uses less digits than its factorization.

15070000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 13.

The square root of 15070000 is about 3882.0097887563. The cubic root of 15070000 is about 247.0042452023.

Adding to 15070000 its reverse (7051), we get a palindrome (15077051).

The spelling of 15070000 in words is "fifteen million, seventy thousand".