70949757 has 16 divisors (see below), whose sum is σ = 97404032. Its totient is φ = 45904320.

The previous prime is 70949741. The next prime is 70949759. The reversal of 70949757 is 75794907.

It is not a de Polignac number, because 70949757 - 2⁴ = 70949741 is a prime.

It is a Smith number, since the sum of its digits (48) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70949759) 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, 72888 + ... + 73854.

It is an arithmetic number, because the mean of its divisors is an integer number (6087752).

Almost surely, 2^70949757 is an apocalyptic number.

It is an amenable number.

70949757 is a deficient number, since it is larger than the sum of its proper divisors (26454275).

70949757 is a wasteful number, since it uses less digits than its factorization.

70949757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 70949757 is about 8423.1678720064. The cubic root of 70949757 is about 413.9840771957.

The spelling of 70949757 in words is "seventy million, nine hundred forty-nine thousand, seven hundred fifty-seven".