70749292 has 12 divisors (see below), whose sum is σ = 124137216. Its totient is φ = 35281520.

The previous prime is 70749281. The next prime is 70749307. The reversal of 70749292 is 29294707.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21559 + ... + 24622.

It is an arithmetic number, because the mean of its divisors is an integer number (10344768).

Almost surely, 2^70749292 is an apocalyptic number.

It is an amenable number.

70749292 is a deficient number, since it is larger than the sum of its proper divisors (53387924).

70749292 is a wasteful number, since it uses less digits than its factorization.

70749292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46568 (or 46566 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70749292 is about 8411.2598342936. The cubic root of 70749292 is about 413.5938122853.

The spelling of 70749292 in words is "seventy million, seven hundred forty-nine thousand, two hundred ninety-two".