74865542 has 4 divisors (see below), whose sum is σ = 112298316. Its totient is φ = 37432770.

The previous prime is 74865509. The next prime is 74865547. The reversal of 74865542 is 24556847.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74865542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74865547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18716384 + ... + 18716387.

It is an arithmetic number, because the mean of its divisors is an integer number (28074579).

Almost surely, 2^74865542 is an apocalyptic number.

74865542 is a deficient number, since it is larger than the sum of its proper divisors (37432774).

74865542 is a wasteful number, since it uses less digits than its factorization.

74865542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37432773.

The product of its digits is 268800, while the sum is 41.

The square root of 74865542 is about 8652.4876191763. The cubic root of 74865542 is about 421.4641679676.

The spelling of 74865542 in words is "seventy-four million, eight hundred sixty-five thousand, five hundred forty-two".