72462402 has 12 divisors (see below), whose sum is σ = 157001910. Its totient is φ = 24154128.

The previous prime is 72462389. The next prime is 72462421. The reversal of 72462402 is 20426427.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72437121 + 25281 = 8511^2 + 159^2 .

It is a super-3 number, since 3×72462402³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2012827 + ... + 2012862.

Almost surely, 2^72462402 is an apocalyptic number.

72462402 is an abundant number, since it is smaller than the sum of its proper divisors (84539508).

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

72462402 is a wasteful number, since it uses less digits than its factorization.

72462402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025697 (or 4025694 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 72462402 is about 8512.4850660662. The cubic root of 72462402 is about 416.9054527465.

Adding to 72462402 its reverse (20426427), we get a palindrome (92888829).

The spelling of 72462402 in words is "seventy-two million, four hundred sixty-two thousand, four hundred two".