40726751 has 16 divisors (see below), whose sum is σ = 45364704. Its totient is φ = 36319104.

The previous prime is 40726727. The next prime is 40726783. The reversal of 40726751 is 15762704.

It is a cyclic number.

It is not a de Polignac number, because 40726751 - 2¹⁴ = 40710367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40726051) 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, 109001 + ... + 109373.

It is an arithmetic number, because the mean of its divisors is an integer number (2835294).

Almost surely, 2^40726751 is an apocalyptic number.

40726751 is a deficient number, since it is larger than the sum of its proper divisors (4637953).

40726751 is a wasteful number, since it uses less digits than its factorization.

40726751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 40726751 is about 6381.7514053745. The cubic root of 40726751 is about 344.0539818611.

The spelling of 40726751 in words is "forty million, seven hundred twenty-six thousand, seven hundred fifty-one".