70461090 has 240 divisors, whose sum is σ = 235363392. Its totient is φ = 14805504.

The previous prime is 70461089. The next prime is 70461113. The reversal of 70461090 is 9016407.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1638609 + ... + 1638651.

Almost surely, 2^70461090 is an apocalyptic number.

70461090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70461090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117681696).

70461090 is an abundant number, since it is smaller than the sum of its proper divisors (164902302).

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

70461090 is a wasteful number, since it uses less digits than its factorization.

70461090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70461090 is about 8394.1104352993. The cubic root of 70461090 is about 413.0314472436.

Adding to 70461090 its reverse (9016407), we get a palindrome (79477497).

The spelling of 70461090 in words is "seventy million, four hundred sixty-one thousand, ninety".