70249716 has 36 divisors (see below), whose sum is σ = 183701700. Its totient is φ = 22608768.

The previous prime is 70249709. The next prime is 70249721. The reversal of 70249716 is 61794207.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19184400 + 51065316 = 4380^2 + 7146^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32601 + ... + 34688.

It is an arithmetic number, because the mean of its divisors is an integer number (5102825).

Almost surely, 2^70249716 is an apocalyptic number.

It is an amenable number.

70249716 is an abundant number, since it is smaller than the sum of its proper divisors (113451984).

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

70249716 is a wasteful number, since it uses less digits than its factorization.

70249716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67328 (or 67323 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 70249716 is about 8381.5103650834. The cubic root of 70249716 is about 412.6180202245.

The spelling of 70249716 in words is "seventy million, two hundred forty-nine thousand, seven hundred sixteen".