74473542 has 48 divisors (see below), whose sum is σ = 189575568. Its totient is φ = 20831040.

The previous prime is 74473541. The next prime is 74473547. The reversal of 74473542 is 24537447.

74473542 is a `hidden beast` number, since 7 + 44 + 73 + 542 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74473497 and 74473506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74473541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11893 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (3949491).

Almost surely, 2^74473542 is an apocalyptic number.

74473542 is an abundant number, since it is smaller than the sum of its proper divisors (115102026).

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

74473542 is a wasteful number, since it uses less digits than its factorization.

74473542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28965 (or 28962 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 74473542 is about 8629.8054439251. The cubic root of 74473542 is about 420.7272773254.

The spelling of 74473542 in words is "seventy-four million, four hundred seventy-three thousand, five hundred forty-two".