70679616 has 112 divisors (see below), whose sum is σ = 218870784. Its totient is φ = 19708416.

The previous prime is 70679603. The next prime is 70679629. The reversal of 70679616 is 61697607.

It is an interprime number because it is at equal distance from previous prime (70679603) and next prime (70679629).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57181 + ... + 58403.

Almost surely, 2^70679616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70679616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109435392).

70679616 is an abundant number, since it is smaller than the sum of its proper divisors (148191168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70679616 is a wasteful number, since it uses less digits than its factorization.

70679616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 70679616 is about 8407.1169850312. The cubic root of 70679616 is about 413.4579945409.

Subtracting from 70679616 its reverse (61697607), we obtain a square (8982009 = 2997²).

The spelling of 70679616 in words is "seventy million, six hundred seventy-nine thousand, six hundred sixteen".