40702473 has 32 divisors (see below), whose sum is σ = 71147520. Its totient is φ = 22505040.

The previous prime is 40702469. The next prime is 40702481. The reversal of 40702473 is 37420704.

It is not a de Polignac number, because 40702473 - 2² = 40702469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40702373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2386 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (2223360).

Almost surely, 2^40702473 is an apocalyptic number.

It is an amenable number.

40702473 is a deficient number, since it is larger than the sum of its proper divisors (30445047).

40702473 is a wasteful number, since it uses less digits than its factorization.

40702473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 40702473 is about 6379.8489794038. The cubic root of 40702473 is about 343.9856025388.

The spelling of 40702473 in words is "forty million, seven hundred two thousand, four hundred seventy-three".