70487574 has 48 divisors (see below), whose sum is σ = 149045520. Its totient is φ = 22216320.

The previous prime is 70487539. The next prime is 70487581. The reversal of 70487574 is 47578407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307692 + ... + 307920.

It is an arithmetic number, because the mean of its divisors is an integer number (3105115).

Almost surely, 2^70487574 is an apocalyptic number.

70487574 is an abundant number, since it is smaller than the sum of its proper divisors (78557946).

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

70487574 is a wasteful number, since it uses less digits than its factorization.

70487574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 70487574 is about 8395.6878217332. The cubic root of 70487574 is about 413.0831890614.

The spelling of 70487574 in words is "seventy million, four hundred eighty-seven thousand, five hundred seventy-four".