70492990 has 16 divisors (see below), whose sum is σ = 127492560. Its totient is φ = 28062720.

The previous prime is 70492973. The next prime is 70493011. The reversal of 70492990 is 9929407.

It is a super-3 number, since 3×70492990³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14595 + ... + 18814.

It is an arithmetic number, because the mean of its divisors is an integer number (7968285).

Almost surely, 2^70492990 is an apocalyptic number.

70492990 is a deficient number, since it is larger than the sum of its proper divisors (56999570).

70492990 is a wasteful number, since it uses less digits than its factorization.

70492990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33627.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 70492990 is about 8396.0103620708. The cubic root of 70492990 is about 413.0937687098.

The spelling of 70492990 in words is "seventy million, four hundred ninety-two thousand, nine hundred ninety".