73450137 has 4 divisors (see below), whose sum is σ = 97933520. Its totient is φ = 48966756.

The previous prime is 73450133. The next prime is 73450141. The reversal of 73450137 is 73105437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73105437 = 3 ⋅24368479.

It is an interprime number because it is at equal distance from previous prime (73450133) and next prime (73450141).

It is not a de Polignac number, because 73450137 - 2² = 73450133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73450133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12241687 + ... + 12241692.

It is an arithmetic number, because the mean of its divisors is an integer number (24483380).

Almost surely, 2^73450137 is an apocalyptic number.

It is an amenable number.

73450137 is a deficient number, since it is larger than the sum of its proper divisors (24483383).

73450137 is a wasteful number, since it uses less digits than its factorization.

73450137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24483382.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 73450137 is about 8570.3055371439. The cubic root of 73450137 is about 418.7911897702.

The spelling of 73450137 in words is "seventy-three million, four hundred fifty thousand, one hundred thirty-seven".