72357001 has 8 divisors (see below), whose sum is σ = 75011400. Its totient is φ = 69713280.

The previous prime is 72356989. The next prime is 72357013. The reversal of 72357001 is 10075327.

It is an interprime number because it is at equal distance from previous prime (72356989) and next prime (72357013).

It can be written as a sum of positive squares in 4 ways, for example, as 90000 + 72267001 = 300^2 + 8501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72357001 - 2²³ = 63968393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72357071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12715 + ... + 17503.

It is an arithmetic number, because the mean of its divisors is an integer number (9376425).

Almost surely, 2^72357001 is an apocalyptic number.

It is an amenable number.

72357001 is a deficient number, since it is larger than the sum of its proper divisors (2654399).

72357001 is a wasteful number, since it uses less digits than its factorization.

72357001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 72357001 is about 8506.2918478030. The cubic root of 72357001 is about 416.7032164915.

The spelling of 72357001 in words is "seventy-two million, three hundred fifty-seven thousand, one".