74400070 has 16 divisors (see below), whose sum is σ = 134434080. Its totient is φ = 29645824.

The previous prime is 74400061. The next prime is 74400091. The reversal of 74400070 is 7000447.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11515 + ... + 16774.

It is an arithmetic number, because the mean of its divisors is an integer number (8402130).

Almost surely, 2^74400070 is an apocalyptic number.

74400070 is a deficient number, since it is larger than the sum of its proper divisors (60034010).

74400070 is a wasteful number, since it uses less digits than its factorization.

74400070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28559.

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

The square root of 74400070 is about 8625.5475188535. The cubic root of 74400070 is about 420.5888753973.

The spelling of 74400070 in words is "seventy-four million, four hundred thousand, seventy".