74240562 has 64 divisors (see below), whose sum is σ = 173053440. Its totient is φ = 20995200.

The previous prime is 74240539. The next prime is 74240563. The reversal of 74240562 is 26504247.

It is a super-2 number, since 2×74240562² = 11023322092151688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74240563) 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, 91137 + ... + 91947.

It is an arithmetic number, because the mean of its divisors is an integer number (2703960).

Almost surely, 2^74240562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74240562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86526720).

74240562 is an abundant number, since it is smaller than the sum of its proper divisors (98812878).

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

74240562 is a wasteful number, since it uses less digits than its factorization.

74240562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 74240562 is about 8616.2963040973. The cubic root of 74240562 is about 420.2880903271.

The spelling of 74240562 in words is "seventy-four million, two hundred forty thousand, five hundred sixty-two".