74948736 has 64 divisors (see below), whose sum is σ = 201960000. Its totient is φ = 24622080.

The previous prime is 74948707. The next prime is 74948737. The reversal of 74948736 is 63784947.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (74948737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25890 + ... + 28638.

It is an arithmetic number, because the mean of its divisors is an integer number (3155625).

Almost surely, 2^74948736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74948736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100980000).

74948736 is an abundant number, since it is smaller than the sum of its proper divisors (127011264).

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

74948736 is a wasteful number, since it uses less digits than its factorization.

74948736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2825 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 74948736 is about 8657.2938034931. The cubic root of 74948736 is about 421.6202269016.

The spelling of 74948736 in words is "seventy-four million, nine hundred forty-eight thousand, seven hundred thirty-six".