71380752 has 20 divisors (see below), whose sum is σ = 184400400. Its totient is φ = 23793568.

The previous prime is 71380741. The next prime is 71380763. The reversal of 71380752 is 25708317.

It is an interprime number because it is at equal distance from previous prime (71380741) and next prime (71380763).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743502 + ... + 743597.

It is an arithmetic number, because the mean of its divisors is an integer number (9220020).

Almost surely, 2^71380752 is an apocalyptic number.

It is an amenable number.

71380752 is an abundant number, since it is smaller than the sum of its proper divisors (113019648).

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

71380752 is a wasteful number, since it uses less digits than its factorization.

71380752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487110 (or 1487104 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 71380752 is about 8448.7130380905. The cubic root of 71380752 is about 414.8206550749.

The spelling of 71380752 in words is "seventy-one million, three hundred eighty thousand, seven hundred fifty-two".