74973330431 has 2 divisors, whose sum is σ = 74973330432. Its totient is φ = 74973330430.

The previous prime is 74973330403. The next prime is 74973330449. The reversal of 74973330431 is 13403337947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74973330431 - 2²² = 74969136127 is a prime.

It is a super-3 number, since 3×74973330431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74973330401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37486665215 + 37486665216.

It is an arithmetic number, because the mean of its divisors is an integer number (37486665216).

Almost surely, 2^74973330431 is an apocalyptic number.

74973330431 is a deficient number, since it is larger than the sum of its proper divisors (1).

74973330431 is an equidigital number, since it uses as much as digits as its factorization.

74973330431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 44.

The spelling of 74973330431 in words is "seventy-four billion, nine hundred seventy-three million, three hundred thirty thousand, four hundred thirty-one".