70739742 has 16 divisors (see below), whose sum is σ = 141562512. Its totient is φ = 23566080.

The previous prime is 70739723. The next prime is 70739777. The reversal of 70739742 is 24793707.

It is a super-2 number, since 2×70739742² = 10008222196453128, 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 70739742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16308 + ... + 20184.

It is an arithmetic number, because the mean of its divisors is an integer number (8847657).

Almost surely, 2^70739742 is an apocalyptic number.

70739742 is an abundant number, since it is smaller than the sum of its proper divisors (70822770).

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

70739742 is a wasteful number, since it uses less digits than its factorization.

70739742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 70739742 is about 8410.6921237197. The cubic root of 70739742 is about 413.5752019759.

The spelling of 70739742 in words is "seventy million, seven hundred thirty-nine thousand, seven hundred forty-two".