74572403 has 2 divisors, whose sum is σ = 74572404. Its totient is φ = 74572402.

The previous prime is 74572357. The next prime is 74572411. The reversal of 74572403 is 30427547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74572403 - 2¹⁰ = 74571379 is a prime.

It is a super-2 number, since 2×74572403² = 11122086578388818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74572403.

It is not a weakly prime, because it can be changed into another prime (74572903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37286201 + 37286202.

It is an arithmetic number, because the mean of its divisors is an integer number (37286202).

Almost surely, 2^74572403 is an apocalyptic number.

74572403 is a deficient number, since it is larger than the sum of its proper divisors (1).

74572403 is an equidigital number, since it uses as much as digits as its factorization.

74572403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 74572403 is about 8635.5314254538. The cubic root of 74572403 is about 420.9133618827.

The spelling of 74572403 in words is "seventy-four million, five hundred seventy-two thousand, four hundred three".