73401371 has 2 divisors, whose sum is σ = 73401372. Its totient is φ = 73401370.

The previous prime is 73401347. The next prime is 73401373. The reversal of 73401371 is 17310437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73401371 - 2²² = 69207067 is a prime.

It is a super-2 number, since 2×73401371² = 10775522529359282, which contains 22 as substring.

Together with 73401373, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73401371.

It is not a weakly prime, because it can be changed into another prime (73401373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36700685 + 36700686.

It is an arithmetic number, because the mean of its divisors is an integer number (36700686).

Almost surely, 2^73401371 is an apocalyptic number.

73401371 is the 4580-th centered heptagonal number.

73401371 is a deficient number, since it is larger than the sum of its proper divisors (1).

73401371 is an equidigital number, since it uses as much as digits as its factorization.

73401371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 73401371 is about 8567.4600086607. The cubic root of 73401371 is about 418.6984860965.

The spelling of 73401371 in words is "seventy-three million, four hundred one thousand, three hundred seventy-one".