40730770 has 8 divisors (see below), whose sum is σ = 73315404. Its totient is φ = 16292304.

The previous prime is 40730731. The next prime is 40730771. The reversal of 40730770 is 7703704.

It can be written as a sum of positive squares in 2 ways, for example, as 39904489 + 826281 = 6317^2 + 909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×40730770³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40730771) 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, 2036529 + ... + 2036548.

Almost surely, 2^40730770 is an apocalyptic number.

40730770 is a deficient number, since it is larger than the sum of its proper divisors (32584634).

40730770 is a wasteful number, since it uses less digits than its factorization.

40730770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073084.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 40730770 is about 6382.0662798188. The cubic root of 40730770 is about 344.0652988083.

The spelling of 40730770 in words is "forty million, seven hundred thirty thousand, seven hundred seventy".