74452040 has 32 divisors (see below), whose sum is σ = 180404280. Its totient is φ = 27489792.

The previous prime is 74452039. The next prime is 74452057. The reversal of 74452040 is 4025447.

It can be written as a sum of positive squares in 4 ways, for example, as 42484324 + 31967716 = 6518^2 + 5654^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71069 + ... + 72108.

Almost surely, 2^74452040 is an apocalyptic number.

It is an amenable number.

74452040 is an abundant number, since it is smaller than the sum of its proper divisors (105952240).

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

74452040 is a wasteful number, since it uses less digits than its factorization.

74452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143201 (or 143197 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 74452040 is about 8628.5595553371. The cubic root of 74452040 is about 420.6867826368.

Adding to 74452040 its reverse (4025447), we get a palindrome (78477487).

The spelling of 74452040 in words is "seventy-four million, four hundred fifty-two thousand, forty".