71949962 has 16 divisors (see below), whose sum is σ = 123818112. Its totient is φ = 30716880.

The previous prime is 71949953. The next prime is 71949971. The reversal of 71949962 is 26994917.

It is an interprime number because it is at equal distance from previous prime (71949953) and next prime (71949971).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6089 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (7738632).

Almost surely, 2^71949962 is an apocalyptic number.

71949962 is a deficient number, since it is larger than the sum of its proper divisors (51868150).

71949962 is a wasteful number, since it uses less digits than its factorization.

71949962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19813.

The product of its digits is 244944, while the sum is 47.

The square root of 71949962 is about 8482.3323443496. The cubic root of 71949962 is about 415.9203689110.

The spelling of 71949962 in words is "seventy-one million, nine hundred forty-nine thousand, nine hundred sixty-two".