74860709 has 16 divisors (see below), whose sum is σ = 94248960. Its totient is φ = 57760560.

The previous prime is 74860693. The next prime is 74860717. The reversal of 74860709 is 90706847.

It is not a de Polignac number, because 74860709 - 2⁴ = 74860693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74860789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3212 + ... + 12650.

It is an arithmetic number, because the mean of its divisors is an integer number (5890560).

Almost surely, 2^74860709 is an apocalyptic number.

It is an amenable number.

74860709 is a deficient number, since it is larger than the sum of its proper divisors (19388251).

74860709 is a wasteful number, since it uses less digits than its factorization.

74860709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 74860709 is about 8652.2083308251. The cubic root of 74860709 is about 421.4550984629.

The spelling of 74860709 in words is "seventy-four million, eight hundred sixty thousand, seven hundred nine".