70248816 has 80 divisors (see below), whose sum is σ = 219985920. Its totient is φ = 21286080.

The previous prime is 70248803. The next prime is 70248839. The reversal of 70248816 is 61884207.

It is a super-2 number, since 2×70248816² = 9869792298803712, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2640 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (2749824).

Almost surely, 2^70248816 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 70248816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109992960).

70248816 is an abundant number, since it is smaller than the sum of its proper divisors (149737104).

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

70248816 is a wasteful number, since it uses less digits than its factorization.

70248816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14811 (or 14799 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 70248816 is about 8381.4566753041. The cubic root of 70248816 is about 412.6162581401.

The spelling of 70248816 in words is "seventy million, two hundred forty-eight thousand, eight hundred sixteen".