72374311 has 2 divisors, whose sum is σ = 72374312. Its totient is φ = 72374310.

The previous prime is 72374303. The next prime is 72374327. The reversal of 72374311 is 11347327.

It is a weak prime.

It is an emirp because it is prime and its reverse (11347327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72374311 - 2³ = 72374303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72374311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72374611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36187155 + 36187156.

It is an arithmetic number, because the mean of its divisors is an integer number (36187156).

Almost surely, 2^72374311 is an apocalyptic number.

72374311 is a deficient number, since it is larger than the sum of its proper divisors (1).

72374311 is an equidigital number, since it uses as much as digits as its factorization.

72374311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 72374311 is about 8507.3092690933. The cubic root of 72374311 is about 416.7364432121.

The spelling of 72374311 in words is "seventy-two million, three hundred seventy-four thousand, three hundred eleven".