71394552 has 48 divisors (see below), whose sum is σ = 203541000. Its totient is φ = 22545216.

The previous prime is 71394527. The next prime is 71394559. The reversal of 71394552 is 25549317.

71394552 is a `hidden beast` number, since 7 + 13 + 94 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71394559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24727 + ... + 27462.

Almost surely, 2^71394552 is an apocalyptic number.

71394552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71394552 is an abundant number, since it is smaller than the sum of its proper divisors (132146448).

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

71394552 is a wasteful number, since it uses less digits than its factorization.

71394552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52220 (or 52213 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 71394552 is about 8449.5296910538. The cubic root of 71394552 is about 414.8473856991.

The spelling of 71394552 in words is "seventy-one million, three hundred ninety-four thousand, five hundred fifty-two".