70572851 has 4 divisors (see below), whose sum is σ = 70688592. Its totient is φ = 70457112.

The previous prime is 70572829. The next prime is 70572881. The reversal of 70572851 is 15827507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70572851 - 2¹⁸ = 70310707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70572811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56951 + ... + 58176.

It is an arithmetic number, because the mean of its divisors is an integer number (17672148).

Almost surely, 2^70572851 is an apocalyptic number.

70572851 is a deficient number, since it is larger than the sum of its proper divisors (115741).

70572851 is a wasteful number, since it uses less digits than its factorization.

70572851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115740.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 70572851 is about 8400.7649056500. The cubic root of 70572851 is about 413.2497068214.

The spelling of 70572851 in words is "seventy million, five hundred seventy-two thousand, eight hundred fifty-one".