71493476 has 12 divisors (see below), whose sum is σ = 130553472. Its totient is φ = 34192488.

The previous prime is 71493469. The next prime is 71493479. The reversal of 71493476 is 67439417.

It is a super-2 number, since 2×71493476² = 10222634221125152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71493479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388460 + ... + 388643.

It is an arithmetic number, because the mean of its divisors is an integer number (10879456).

Almost surely, 2^71493476 is an apocalyptic number.

It is an amenable number.

71493476 is a deficient number, since it is larger than the sum of its proper divisors (59059996).

71493476 is a wasteful number, since it uses less digits than its factorization.

71493476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777130 (or 777128 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 71493476 is about 8455.3814816364. The cubic root of 71493476 is about 415.0389008872.

The spelling of 71493476 in words is "seventy-one million, four hundred ninety-three thousand, four hundred seventy-six".