75406740 has 48 divisors (see below), whose sum is σ = 216851712. Its totient is φ = 19564416.

The previous prime is 75406739. The next prime is 75406759. The reversal of 75406740 is 4760457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14764 + ... + 19203.

It is an arithmetic number, because the mean of its divisors is an integer number (4517744).

Almost surely, 2^75406740 is an apocalyptic number.

It is an amenable number.

75406740 is an abundant number, since it is smaller than the sum of its proper divisors (141444972).

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

75406740 is a wasteful number, since it uses less digits than its factorization.

75406740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34016 (or 34014 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 75406740 is about 8683.7054302872. The cubic root of 75406740 is about 422.4773093331.

The spelling of 75406740 in words is "seventy-five million, four hundred six thousand, seven hundred forty".