72025673 has 4 divisors (see below), whose sum is σ = 75157248. Its totient is φ = 68894100.

The previous prime is 72025649. The next prime is 72025699. The reversal of 72025673 is 37652027.

It is a happy number.

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: 37652027 = 7 ⋅5378861.

It is a cyclic number.

It is not a de Polignac number, because 72025673 - 2¹² = 72021577 is a prime.

It is a super-2 number, since 2×72025673² = 10375395142205858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72027673) 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, 1565753 + ... + 1565798.

It is an arithmetic number, because the mean of its divisors is an integer number (18789312).

Almost surely, 2^72025673 is an apocalyptic number.

It is an amenable number.

72025673 is a deficient number, since it is larger than the sum of its proper divisors (3131575).

72025673 is a wasteful number, since it uses less digits than its factorization.

72025673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131574.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 72025673 is about 8486.7940354412. The cubic root of 72025673 is about 416.0662050234.

The spelling of 72025673 in words is "seventy-two million, twenty-five thousand, six hundred seventy-three".