74140752 has 80 divisors (see below), whose sum is σ = 219985920. Its totient is φ = 21077376.

The previous prime is 74140727. The next prime is 74140783. The reversal of 74140752 is 25704147.

It is a super-2 number, since 2×74140752² = 10993702214251008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 87949 + ... + 88787.

It is an arithmetic number, because the mean of its divisors is an integer number (2749824).

Almost surely, 2^74140752 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 74140752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109992960).

74140752 is an abundant number, since it is smaller than the sum of its proper divisors (145845168).

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

74140752 is a wasteful number, since it uses less digits than its factorization.

74140752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 74140752 is about 8610.5024243653. The cubic root of 74140752 is about 420.0996588904.

Adding to 74140752 its reverse (25704147), we get a palindrome (99844899).

The spelling of 74140752 in words is "seventy-four million, one hundred forty thousand, seven hundred fifty-two".