7474021632 has 720 divisors, whose sum is σ = 28871614464. Its totient is φ = 1866240000.

The previous prime is 7474021613. The next prime is 7474021637. The reversal of 7474021632 is 2361204747.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474021637) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49496757 + ... + 49496907.

Almost surely, 2^7474021632 is an apocalyptic number.

7474021632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7474021632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14435807232).

7474021632 is an abundant number, since it is smaller than the sum of its proper divisors (21397592832).

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

7474021632 is a wasteful number, since it uses less digits than its factorization.

7474021632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 7474021632 is about 86452.4240955683. The cubic root of 7474021632 is about 1955.1711645150.

The spelling of 7474021632 in words is "seven billion, four hundred seventy-four million, twenty-one thousand, six hundred thirty-two".