73623901 has 4 divisors (see below), whose sum is σ = 79287292. Its totient is φ = 67960512.

The previous prime is 73623883. The next prime is 73623973. The reversal of 73623901 is 10932637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10932637 = 113 ⋅96749.

It can be written as a sum of positive squares in 2 ways, for example, as 17388900 + 56235001 = 4170^2 + 7499^2 .

It is a cyclic number.

It is not a de Polignac number, because 73623901 - 2⁷ = 73623773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73621901) 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, 2831676 + ... + 2831701.

It is an arithmetic number, because the mean of its divisors is an integer number (19821823).

Almost surely, 2^73623901 is an apocalyptic number.

It is an amenable number.

73623901 is a deficient number, since it is larger than the sum of its proper divisors (5663391).

73623901 is a wasteful number, since it uses less digits than its factorization.

73623901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663390.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 73623901 is about 8580.4371100778. The cubic root of 73623901 is about 419.1211801779.

The spelling of 73623901 in words is "seventy-three million, six hundred twenty-three thousand, nine hundred one".