70938730 has 16 divisors (see below), whose sum is σ = 129784104. Its totient is φ = 27910080.

The previous prime is 70938683. The next prime is 70938767. The reversal of 70938730 is 3783907.

It can be written as a sum of positive squares in 4 ways, for example, as 15421329 + 55517401 = 3927^2 + 7451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70938730.

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, 57537 + ... + 58756.

Almost surely, 2^70938730 is an apocalyptic number.

70938730 is a deficient number, since it is larger than the sum of its proper divisors (58845374).

70938730 is a wasteful number, since it uses less digits than its factorization.

70938730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116361.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 70938730 is about 8422.5132828628. The cubic root of 70938730 is about 413.9626289713.

The spelling of 70938730 in words is "seventy million, nine hundred thirty-eight thousand, seven hundred thirty".