74212799 has 2 divisors, whose sum is σ = 74212800. Its totient is φ = 74212798.

The previous prime is 74212771. The next prime is 74212807. The reversal of 74212799 is 99721247.

It is a strong prime.

It is an emirp because it is prime and its reverse (99721247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74212799 - 2¹⁶ = 74147263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74212399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37106399 + 37106400.

It is an arithmetic number, because the mean of its divisors is an integer number (37106400).

Almost surely, 2^74212799 is an apocalyptic number.

74212799 is a deficient number, since it is larger than the sum of its proper divisors (1).

74212799 is an equidigital number, since it uses as much as digits as its factorization.

74212799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 74212799 is about 8614.6850783996. The cubic root of 74212799 is about 420.2356934847.

The spelling of 74212799 in words is "seventy-four million, two hundred twelve thousand, seven hundred ninety-nine".