40370670 has 32 divisors (see below), whose sum is σ = 107655840. Its totient is φ = 10765440.

The previous prime is 40370669. The next prime is 40370677. The reversal of 40370670 is 7607304.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74491 + ... + 75030.

It is an arithmetic number, because the mean of its divisors is an integer number (3364245).

Almost surely, 2^40370670 is an apocalyptic number.

40370670 is an abundant number, since it is smaller than the sum of its proper divisors (67285170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40370670 is a wasteful number, since it uses less digits than its factorization.

40370670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149537 (or 149531 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 40370670 is about 6353.7917812909. The cubic root of 40370670 is about 343.0483375567.

Adding to 40370670 its reverse (7607304), we get a palindrome (47977974).

The spelling of 40370670 in words is "forty million, three hundred seventy thousand, six hundred seventy".