74725069 has 2 divisors, whose sum is σ = 74725070. Its totient is φ = 74725068.

The previous prime is 74725067. The next prime is 74725087. The reversal of 74725069 is 96052747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58828900 + 15896169 = 7670^2 + 3987^2 .

It is a cyclic number.

It is not a de Polignac number, because 74725069 - 2¹ = 74725067 is a prime.

It is a super-2 number, since 2×74725069² = 11167671874109522, which contains 22 as substring.

Together with 74725067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74725067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37362534 + 37362535.

It is an arithmetic number, because the mean of its divisors is an integer number (37362535).

Almost surely, 2^74725069 is an apocalyptic number.

It is an amenable number.

74725069 is a deficient number, since it is larger than the sum of its proper divisors (1).

74725069 is an equidigital number, since it uses as much as digits as its factorization.

74725069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 74725069 is about 8644.3663156995. The cubic root of 74725069 is about 421.2003999633.

The spelling of 74725069 in words is "seventy-four million, seven hundred twenty-five thousand, sixty-nine".