74243706 has 16 divisors (see below), whose sum is σ = 150579648. Its totient is φ = 24399200.

The previous prime is 74243693. The next prime is 74243717. The reversal of 74243706 is 60734247.

It is a super-2 number, since 2×74243706² = 11024255761228872, which contains 22 as substring.

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, 86715 + ... + 87566.

It is an arithmetic number, because the mean of its divisors is an integer number (9411228).

Almost surely, 2^74243706 is an apocalyptic number.

74243706 is an abundant number, since it is smaller than the sum of its proper divisors (76335942).

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

74243706 is a wasteful number, since it uses less digits than its factorization.

74243706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174357.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 74243706 is about 8616.4787471449. The cubic root of 74243706 is about 420.2940231445.

The spelling of 74243706 in words is "seventy-four million, two hundred forty-three thousand, seven hundred six".