70616977 has 16 divisors (see below), whose sum is σ = 77483520. Its totient is φ = 64108800.

The previous prime is 70616971. The next prime is 70616989. The reversal of 70616977 is 77961607.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70616977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70616971) 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, 66027 + ... + 67087.

It is an arithmetic number, because the mean of its divisors is an integer number (4842720).

Almost surely, 2^70616977 is an apocalyptic number.

It is an amenable number.

70616977 is a deficient number, since it is larger than the sum of its proper divisors (6866543).

70616977 is a wasteful number, since it uses less digits than its factorization.

70616977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 70616977 is about 8403.3908037173. The cubic root of 70616977 is about 413.3358176374.

The spelling of 70616977 in words is "seventy million, six hundred sixteen thousand, nine hundred seventy-seven".