72351055 has 16 divisors (see below), whose sum is σ = 102426624. Its totient is φ = 48011040.

The previous prime is 72351053. The next prime is 72351061. The reversal of 72351055 is 55015327.

It is not a de Polignac number, because 72351055 - 2¹ = 72351053 is a prime.

It is a super-2 number, since 2×72351055² = 10469350319226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72351053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32257 + ... + 34426.

It is an arithmetic number, because the mean of its divisors is an integer number (6401664).

Almost surely, 2^72351055 is an apocalyptic number.

72351055 is a deficient number, since it is larger than the sum of its proper divisors (30075569).

72351055 is a wasteful number, since it uses less digits than its factorization.

72351055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66726.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 72351055 is about 8505.9423346270. The cubic root of 72351055 is about 416.6918018615.

The spelling of 72351055 in words is "seventy-two million, three hundred fifty-one thousand, fifty-five".