40730475 has 24 divisors (see below), whose sum is σ = 67842880. Its totient is φ = 21561120.

The previous prime is 40730467. The next prime is 40730479. The reversal of 40730475 is 57403704.

It is not a de Polignac number, because 40730475 - 2³ = 40730467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40730479) 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, 8472 + ... + 12378.

Almost surely, 2^40730475 is an apocalyptic number.

40730475 is a deficient number, since it is larger than the sum of its proper divisors (27112405).

40730475 is a wasteful number, since it uses less digits than its factorization.

40730475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 40730475 is about 6382.0431681398. The cubic root of 40730475 is about 344.0644681545.

The spelling of 40730475 in words is "forty million, seven hundred thirty thousand, four hundred seventy-five".