74402071 has 2 divisors, whose sum is σ = 74402072. Its totient is φ = 74402070.

The previous prime is 74402063. The next prime is 74402087. The reversal of 74402071 is 17020447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74402071 - 2³ = 74402063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74402011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37201035 + 37201036.

It is an arithmetic number, because the mean of its divisors is an integer number (37201036).

Almost surely, 2^74402071 is an apocalyptic number.

74402071 is a deficient number, since it is larger than the sum of its proper divisors (1).

74402071 is an equidigital number, since it uses as much as digits as its factorization.

74402071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 74402071 is about 8625.6635107103. The cubic root of 74402071 is about 420.5926459618.

The spelling of 74402071 in words is "seventy-four million, four hundred two thousand, seventy-one".