70116387 has 16 divisors (see below), whose sum is σ = 102895488. Its totient is φ = 42116480.

The previous prime is 70116379. The next prime is 70116401. The reversal of 70116387 is 78361107.

It is a cyclic number.

It is not a de Polignac number, because 70116387 - 2³ = 70116379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (70116317) 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, 5673 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (6430968).

Almost surely, 2^70116387 is an apocalyptic number.

70116387 is a deficient number, since it is larger than the sum of its proper divisors (32779101).

70116387 is a wasteful number, since it uses less digits than its factorization.

70116387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18930.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 70116387 is about 8373.5528301910. The cubic root of 70116387 is about 412.3568149505.

The spelling of 70116387 in words is "seventy million, one hundred sixteen thousand, three hundred eighty-seven".