73620037 has 2 divisors, whose sum is σ = 73620038. Its totient is φ = 73620036.

The previous prime is 73619983. The next prime is 73620061. The reversal of 73620037 is 73002637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71893441 + 1726596 = 8479^2 + 1314^2 .

It is a cyclic number.

It is not a de Polignac number, because 73620037 - 2²³ = 65231429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73619987 and 73620014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73620097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36810018 + 36810019.

It is an arithmetic number, because the mean of its divisors is an integer number (36810019).

Almost surely, 2^73620037 is an apocalyptic number.

It is an amenable number.

73620037 is a deficient number, since it is larger than the sum of its proper divisors (1).

73620037 is an equidigital number, since it uses as much as digits as its factorization.

73620037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 73620037 is about 8580.2119437692. The cubic root of 73620037 is about 419.1138478100.

The spelling of 73620037 in words is "seventy-three million, six hundred twenty thousand, thirty-seven".