70587825 has 96 divisors (see below), whose sum is σ = 154275840. Its totient is φ = 27571200.

The previous prime is 70587821. The next prime is 70587863. The reversal of 70587825 is 52878507.

It is a happy number.

It is not a de Polignac number, because 70587825 - 2² = 70587821 is a prime.

It is a super-3 number, since 3×70587825³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70587821) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97816 + ... + 98534.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^70587825 is an apocalyptic number.

70587825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70587825 is an abundant number, since it is smaller than the sum of its proper divisors (83688015).

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

70587825 is a wasteful number, since it uses less digits than its factorization.

70587825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 70587825 is about 8401.6560867486. The cubic root of 70587825 is about 413.2789322408.

The spelling of 70587825 in words is "seventy million, five hundred eighty-seven thousand, eight hundred twenty-five".