70742651 has 16 divisors (see below), whose sum is σ = 85045248. Its totient is φ = 57564000.

The previous prime is 70742647. The next prime is 70742657. The reversal of 70742651 is 15624707.

It is a cyclic number.

It is not a de Polignac number, because 70742651 - 2² = 70742647 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70742657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8426 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (5315328).

Almost surely, 2^70742651 is an apocalyptic number.

70742651 is a deficient number, since it is larger than the sum of its proper divisors (14302597).

70742651 is a wasteful number, since it uses less digits than its factorization.

70742651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 70742651 is about 8410.8650565801. The cubic root of 70742651 is about 413.5808709899.

The spelling of 70742651 in words is "seventy million, seven hundred forty-two thousand, six hundred fifty-one".