74020785 has 32 divisors (see below), whose sum is σ = 126620928. Its totient is φ = 36833280.

The previous prime is 74020783. The next prime is 74020787. The reversal of 74020785 is 58702047.

It is an interprime number because it is at equal distance from previous prime (74020783) and next prime (74020787).

It is not a de Polignac number, because 74020785 - 2¹ = 74020783 is a prime.

It is a super-2 number, since 2×74020785² = 10958153224032450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74020783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11529 + ... + 16761.

It is an arithmetic number, because the mean of its divisors is an integer number (3956904).

Almost surely, 2^74020785 is an apocalyptic number.

It is an amenable number.

74020785 is a deficient number, since it is larger than the sum of its proper divisors (52600143).

74020785 is a wasteful number, since it uses less digits than its factorization.

74020785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 74020785 is about 8603.5332858076. The cubic root of 74020785 is about 419.8729490990.

The spelling of 74020785 in words is "seventy-four million, twenty thousand, seven hundred eighty-five".