74432051 has 4 divisors (see below), whose sum is σ = 75169104. Its totient is φ = 73695000.

The previous prime is 74432027. The next prime is 74432053. The reversal of 74432051 is 15023447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15023447 = 101 ⋅148747.

It is a cyclic number.

It is not a de Polignac number, because 74432051 - 2¹⁴ = 74415667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74432051.

It is not an unprimeable number, because it can be changed into a prime (74432053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368375 + ... + 368576.

It is an arithmetic number, because the mean of its divisors is an integer number (18792276).

Almost surely, 2^74432051 is an apocalyptic number.

74432051 is a deficient number, since it is larger than the sum of its proper divisors (737053).

74432051 is a wasteful number, since it uses less digits than its factorization.

74432051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737052.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 74432051 is about 8627.4011730069. The cubic root of 74432051 is about 420.6491303854.

Adding to 74432051 its reverse (15023447), we get a palindrome (89455498).

The spelling of 74432051 in words is "seventy-four million, four hundred thirty-two thousand, fifty-one".