70457530 has 64 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 22821120.

The previous prime is 70457479. The next prime is 70457531. The reversal of 70457530 is 3575407.

It is a junction number, because it is equal to n+sod(n) for n = 70457492 and 70457501.

It is not an unprimeable number, because it can be changed into a prime (70457531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40621 + ... + 42319.

It is an arithmetic number, because the mean of its divisors is an integer number (2409750).

Almost surely, 2^70457530 is an apocalyptic number.

70457530 is an abundant number, since it is smaller than the sum of its proper divisors (83766470).

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

70457530 is a wasteful number, since it uses less digits than its factorization.

70457530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 70457530 is about 8393.8983791800. The cubic root of 70457530 is about 413.0244910795.

The spelling of 70457530 in words is "seventy million, four hundred fifty-seven thousand, five hundred thirty".