40374073 has 4 divisors (see below), whose sum is σ = 40397440. Its totient is φ = 40350708.

The previous prime is 40374029. The next prime is 40374077. The reversal of 40374073 is 37047304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40374073 - 2¹⁷ = 40243001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40374077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8865 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (10099360).

Almost surely, 2^40374073 is an apocalyptic number.

It is an amenable number.

40374073 is a deficient number, since it is larger than the sum of its proper divisors (23367).

40374073 is a wasteful number, since it uses less digits than its factorization.

40374073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23366.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 40374073 is about 6354.0595684963. The cubic root of 40374073 is about 343.0579762431.

The spelling of 40374073 in words is "forty million, three hundred seventy-four thousand, seventy-three".