40073712 has 40 divisors (see below), whose sum is σ = 118313856. Its totient is φ = 11449536.

The previous prime is 40073711. The next prime is 40073729. The reversal of 40073712 is 21737004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40073711) 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, 59298 + ... + 59969.

Almost surely, 2^40073712 is an apocalyptic number.

40073712 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40073712 is an abundant number, since it is smaller than the sum of its proper divisors (78240144).

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

40073712 is a wasteful number, since it uses less digits than its factorization.

40073712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119285 (or 119279 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 40073712 is about 6330.3800833757. The cubic root of 40073712 is about 342.2051366694.

The spelling of 40073712 in words is "forty million, seventy-three thousand, seven hundred twelve".