40723412 has 6 divisors (see below), whose sum is σ = 71265978. Its totient is φ = 20361704.

The previous prime is 40723321. The next prime is 40723433. The reversal of 40723412 is 21432704.

It can be written as a sum of positive squares in only one way, i.e., 21939856 + 18783556 = 4684^2 + 4334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5090423 + ... + 5090430.

It is an arithmetic number, because the mean of its divisors is an integer number (11877663).

Almost surely, 2^40723412 is an apocalyptic number.

It is an amenable number.

40723412 is a deficient number, since it is larger than the sum of its proper divisors (30542566).

40723412 is a wasteful number, since it uses less digits than its factorization.

40723412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180857 (or 10180855 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40723412 is about 6381.4897947109. The cubic root of 40723412 is about 344.0445791335.

The spelling of 40723412 in words is "forty million, seven hundred twenty-three thousand, four hundred twelve".