40572970 has 8 divisors (see below), whose sum is σ = 73031364. Its totient is φ = 16229184.

The previous prime is 40572953. The next prime is 40572971. The reversal of 40572970 is 7927504.

It can be written as a sum of positive squares in 2 ways, for example, as 40309801 + 263169 = 6349^2 + 513^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40572971) 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 3 ways as a sum of consecutive naturals, for example, 2028639 + ... + 2028658.

Almost surely, 2^40572970 is an apocalyptic number.

40572970 is a deficient number, since it is larger than the sum of its proper divisors (32458394).

40572970 is a wasteful number, since it uses less digits than its factorization.

40572970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057304.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 40572970 is about 6369.6915152933. The cubic root of 40572970 is about 343.6203954387.

The spelling of 40572970 in words is "forty million, five hundred seventy-two thousand, nine hundred seventy".