74621854 has 16 divisors (see below), whose sum is σ = 118000080. Its totient is φ = 35294400.

The previous prime is 74621851. The next prime is 74621863. The reversal of 74621854 is 45812647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74621851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38304 + ... + 40204.

It is an arithmetic number, because the mean of its divisors is an integer number (7375005).

Almost surely, 2^74621854 is an apocalyptic number.

74621854 is a deficient number, since it is larger than the sum of its proper divisors (43378226).

74621854 is a wasteful number, since it uses less digits than its factorization.

74621854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955.

The product of its digits is 53760, while the sum is 37.

The square root of 74621854 is about 8638.3941794757. The cubic root of 74621854 is about 421.0063810453.

It can be divided in two parts, 7462 and 1854, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 74621854 in words is "seventy-four million, six hundred twenty-one thousand, eight hundred fifty-four".