40673737 has 24 divisors (see below), whose sum is σ = 47433600. Its totient is φ = 34751808.

The previous prime is 40673713. The next prime is 40673761. The reversal of 40673737 is 73737604.

It is an interprime number because it is at equal distance from previous prime (40673713) and next prime (40673761).

It is a de Polignac number, because none of the positive numbers 2^k-40673737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40673696 and 40673705.

It is not an unprimeable number, because it can be changed into a prime (40670737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170064 + ... + 170302.

It is an arithmetic number, because the mean of its divisors is an integer number (1976400).

Almost surely, 2^40673737 is an apocalyptic number.

It is an amenable number.

40673737 is a deficient number, since it is larger than the sum of its proper divisors (6759863).

40673737 is a wasteful number, since it uses less digits than its factorization.

40673737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 40673737 is about 6377.5964908420. The cubic root of 40673737 is about 343.9046320499.

The spelling of 40673737 in words is "forty million, six hundred seventy-three thousand, seven hundred thirty-seven".