74363730 has 64 divisors (see below), whose sum is σ = 210567168. Its totient is φ = 16447680.

The previous prime is 74363677. The next prime is 74363741. The reversal of 74363730 is 3736347.

It is a junction number, because it is equal to n+sod(n) for n = 74363691 and 74363700.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799 + ... + 12221.

It is an arithmetic number, because the mean of its divisors is an integer number (3290112).

Almost surely, 2^74363730 is an apocalyptic number.

74363730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74363730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105283584).

74363730 is an abundant number, since it is smaller than the sum of its proper divisors (136203438).

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

74363730 is a wasteful number, since it uses less digits than its factorization.

74363730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471.

The product of its (nonzero) digits is 31752, while the sum is 33.

The square root of 74363730 is about 8623.4407286187. The cubic root of 74363730 is about 420.5203867123.

The spelling of 74363730 in words is "seventy-four million, three hundred sixty-three thousand, seven hundred thirty".