62778672 has 120 divisors (see below), whose sum is σ = 198233840. Its totient is φ = 19008000.

The previous prime is 62778647. The next prime is 62778673. The reversal of 62778672 is 27687726.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62778673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51672 + ... + 52872.

Almost surely, 2^62778672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62778672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99116920).

62778672 is an abundant number, since it is smaller than the sum of its proper divisors (135455168).

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

62778672 is a wasteful number, since it uses less digits than its factorization.

62778672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1217 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 62778672 is about 7923.2993127863. The cubic root of 62778672 is about 397.4392075062.

The spelling of 62778672 in words is "sixty-two million, seven hundred seventy-eight thousand, six hundred seventy-two".