72454710 has 32 divisors (see below), whose sum is σ = 177176160. Its totient is φ = 18956288.

The previous prime is 72454703. The next prime is 72454717. The reversal of 72454710 is 1745427.

It is an interprime number because it is at equal distance from previous prime (72454703) and next prime (72454717).

It is a super-3 number, since 3×72454710³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72454717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21195 + ... + 24374.

It is an arithmetic number, because the mean of its divisors is an integer number (5536755).

Almost surely, 2^72454710 is an apocalyptic number.

72454710 is an abundant number, since it is smaller than the sum of its proper divisors (104721450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72454710 is a wasteful number, since it uses less digits than its factorization.

72454710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45632.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 72454710 is about 8512.0332471155. The cubic root of 72454710 is about 416.8907004974.

The spelling of 72454710 in words is "seventy-two million, four hundred fifty-four thousand, seven hundred ten".