71501364 has 72 divisors (see below), whose sum is σ = 199198272. Its totient is φ = 21444480.

The previous prime is 71501329. The next prime is 71501387. The reversal of 71501364 is 46310517.

It is a super-2 number, since 2×71501364² = 10224890107720992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39912 + ... + 41664.

Almost surely, 2^71501364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71501364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99599136).

71501364 is an abundant number, since it is smaller than the sum of its proper divisors (127696908).

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

71501364 is a wasteful number, since it uses less digits than its factorization.

71501364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 71501364 is about 8455.8479172700. The cubic root of 71501364 is about 415.0541643147.

The spelling of 71501364 in words is "seventy-one million, five hundred one thousand, three hundred sixty-four".