70000742 has 16 divisors (see below), whose sum is σ = 120137472. Its totient is φ = 29966280.

The previous prime is 70000739. The next prime is 70000771. The reversal of 70000742 is 24700007.

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, 12983 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (7508592).

Almost surely, 2^70000742 is an apocalyptic number.

70000742 is a deficient number, since it is larger than the sum of its proper divisors (50136730).

70000742 is a wasteful number, since it uses less digits than its factorization.

70000742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 70000742 is about 8366.6446082047. The cubic root of 70000742 is about 412.1299861632.

Adding to 70000742 its reverse (24700007), we get a palindrome (94700749).

The spelling of 70000742 in words is "seventy million, seven hundred forty-two", and thus it is an aban number.