40704070 has 64 divisors (see below), whose sum is σ = 83820096. Its totient is φ = 14100480.

The previous prime is 40704067. The next prime is 40704073. The reversal of 40704070 is 7040704.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40704067) and next prime (40704073).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704073) 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 31 ways as a sum of consecutive naturals, for example, 297042 + ... + 297178.

It is an arithmetic number, because the mean of its divisors is an integer number (1309689).

Almost surely, 2^40704070 is an apocalyptic number.

40704070 is an abundant number, since it is smaller than the sum of its proper divisors (43116026).

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

40704070 is a wasteful number, since it uses less digits than its factorization.

40704070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 40704070 is about 6379.9741378786. The cubic root of 40704070 is about 343.9901013467.

Adding to 40704070 its reverse (7040704), we get a palindrome (47744774).

The spelling of 40704070 in words is "forty million, seven hundred four thousand, seventy".