70423416 has 48 divisors (see below), whose sum is σ = 217978800. Its totient is φ = 20120832.

The previous prime is 70423411. The next prime is 70423417. The reversal of 70423416 is 61432407.

It is a super-2 number, since 2×70423416² = 9918915042218112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70423416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70423411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69361 + ... + 70368.

It is an arithmetic number, because the mean of its divisors is an integer number (4541225).

Almost surely, 2^70423416 is an apocalyptic number.

It is an amenable number.

70423416 is an abundant number, since it is smaller than the sum of its proper divisors (147555384).

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

70423416 is a wasteful number, since it uses less digits than its factorization.

70423416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139748 (or 139741 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70423416 is about 8391.8660618482. The cubic root of 70423416 is about 412.9578211669.

The spelling of 70423416 in words is "seventy million, four hundred twenty-three thousand, four hundred sixteen".