71534546 has 16 divisors (see below), whose sum is σ = 112105728. Its totient is φ = 34194000.

The previous prime is 71534501. The next prime is 71534549. The reversal of 71534546 is 64543517.

It is a super-2 number, since 2×71534546² = 10234382542852232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71534549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (7006608).

Almost surely, 2^71534546 is an apocalyptic number.

71534546 is a deficient number, since it is larger than the sum of its proper divisors (40571182).

71534546 is a wasteful number, since it uses less digits than its factorization.

71534546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14017.

The product of its digits is 50400, while the sum is 35.

The square root of 71534546 is about 8457.8097637627. The cubic root of 71534546 is about 415.1183598144.

The spelling of 71534546 in words is "seventy-one million, five hundred thirty-four thousand, five hundred forty-six".