70025418 has 32 divisors (see below), whose sum is σ = 156441600. Its totient is φ = 23217408.

The previous prime is 70025413. The next prime is 70025429. The reversal of 70025418 is 81452007.

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

It is a junction number, because it is equal to n+sod(n) for n = 70025391 and 70025400.

It is not an unprimeable number, because it can be changed into a prime (70025411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7063 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (4888800).

Almost surely, 2^70025418 is an apocalyptic number.

70025418 is an abundant number, since it is smaller than the sum of its proper divisors (86416182).

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

70025418 is a wasteful number, since it uses less digits than its factorization.

70025418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 70025418 is about 8368.1191435113. The cubic root of 70025418 is about 412.1784071966.

The spelling of 70025418 in words is "seventy million, twenty-five thousand, four hundred eighteen".