74465742 has 32 divisors (see below), whose sum is σ = 163423008. Its totient is φ = 22478976.

The previous prime is 74465737. The next prime is 74465747. The reversal of 74465742 is 24756447.

It is an interprime number because it is at equal distance from previous prime (74465737) and next prime (74465747).

It is a super-2 number, since 2×74465742² = 11090293463221128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 74465742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74465747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4873 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (5106969).

Almost surely, 2^74465742 is an apocalyptic number.

74465742 is an abundant number, since it is smaller than the sum of its proper divisors (88957266).

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

74465742 is a wasteful number, since it uses less digits than its factorization.

74465742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18084.

The product of its digits is 188160, while the sum is 39.

The square root of 74465742 is about 8629.3535099682. The cubic root of 74465742 is about 420.7125884966.

The spelling of 74465742 in words is "seventy-four million, four hundred sixty-five thousand, seven hundred forty-two".