74377734043 has 2 divisors, whose sum is σ = 74377734044. Its totient is φ = 74377734042.

The previous prime is 74377733987. The next prime is 74377734061. The reversal of 74377734043 is 34043777347.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74377734043 - 2²¹ = 74375636891 is a prime.

It is a super-2 number, since 2×74377734043² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74377734143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37188867021 + 37188867022.

It is an arithmetic number, because the mean of its divisors is an integer number (37188867022).

Almost surely, 2^74377734043 is an apocalyptic number.

74377734043 is a deficient number, since it is larger than the sum of its proper divisors (1).

74377734043 is an equidigital number, since it uses as much as digits as its factorization.

74377734043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4148928, while the sum is 49.

The spelling of 74377734043 in words is "seventy-four billion, three hundred seventy-seven million, seven hundred thirty-four thousand, forty-three".