74020662 has 64 divisors (see below), whose sum is σ = 171360000. Its totient is φ = 23664960.

The previous prime is 74020657. The next prime is 74020663. The reversal of 74020662 is 26602047.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74020663) 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, 148089 + ... + 148587.

It is an arithmetic number, because the mean of its divisors is an integer number (2677500).

Almost surely, 2^74020662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74020662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85680000).

74020662 is an abundant number, since it is smaller than the sum of its proper divisors (97339338).

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

74020662 is a wasteful number, since it uses less digits than its factorization.

74020662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 74020662 is about 8603.5261375787. The cubic root of 74020662 is about 419.8727165319.

The spelling of 74020662 in words is "seventy-four million, twenty thousand, six hundred sixty-two".