901450073 has 4 divisors (see below), whose sum is σ = 901665408. Its totient is φ = 901234740.

The previous prime is 901450061. The next prime is 901450087. The reversal of 901450073 is 370054109.

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: 370054109 = 53 ⋅6982153.

It is a cyclic number.

It is not a de Polignac number, because 901450073 - 2²⁰ = 900401497 is a prime.

It is a super-2 number, since 2×901450073² = 1625224468223410658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901450873) 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, 101261 + ... + 109802.

It is an arithmetic number, because the mean of its divisors is an integer number (225416352).

Almost surely, 2^901450073 is an apocalyptic number.

It is an amenable number.

901450073 is a deficient number, since it is larger than the sum of its proper divisors (215335).

901450073 is a wasteful number, since it uses less digits than its factorization.

901450073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215334.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 901450073 is about 30024.1581563913. The cubic root of 901450073 is about 966.0076360334.

The spelling of 901450073 in words is "nine hundred one million, four hundred fifty thousand, seventy-three".