72454350 has 48 divisors (see below), whose sum is σ = 180278640. Its totient is φ = 19257600.

The previous prime is 72454337. The next prime is 72454351. The reversal of 72454350 is 5345427.

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 (72454351) 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 23 ways as a sum of consecutive naturals, for example, 60760 + ... + 61940.

It is an arithmetic number, because the mean of its divisors is an integer number (3755805).

Almost surely, 2^72454350 is an apocalyptic number.

72454350 is an abundant number, since it is smaller than the sum of its proper divisors (107824290).

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

72454350 is a wasteful number, since it uses less digits than its factorization.

72454350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 72454350 is about 8512.0121005553. The cubic root of 72454350 is about 416.8900100390.

Adding to 72454350 its reverse (5345427), we get a palindrome (77799777).

The spelling of 72454350 in words is "seventy-two million, four hundred fifty-four thousand, three hundred fifty".