71941740 has 48 divisors (see below), whose sum is σ = 216934368. Its totient is φ = 17708544.

The previous prime is 71941729. The next prime is 71941741. The reversal of 71941740 is 4714917.

It is a super-2 number, since 2×71941740² = 10351227908455200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (71941741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45337 + ... + 46896.

It is an arithmetic number, because the mean of its divisors is an integer number (4519466).

Almost surely, 2^71941740 is an apocalyptic number.

It is an amenable number.

71941740 is an abundant number, since it is smaller than the sum of its proper divisors (144992628).

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

71941740 is a wasteful number, since it uses less digits than its factorization.

71941740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92258 (or 92256 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 71941740 is about 8481.8476760668. The cubic root of 71941740 is about 415.9045253653.

The spelling of 71941740 in words is "seventy-one million, nine hundred forty-one thousand, seven hundred forty".