62778612 has 48 divisors (see below), whose sum is σ = 159268032. Its totient is φ = 19130880.

The previous prime is 62778601. The next prime is 62778623. The reversal of 62778612 is 21687726.

It is an interprime number because it is at equal distance from previous prime (62778601) and next prime (62778623).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14812 + ... + 18572.

It is an arithmetic number, because the mean of its divisors is an integer number (3318084).

Almost surely, 2^62778612 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 62778612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79634016).

62778612 is an abundant number, since it is smaller than the sum of its proper divisors (96489420).

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

62778612 is a wasteful number, since it uses less digits than its factorization.

62778612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888 (or 3886 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 62778612 is about 7923.2955264839. The cubic root of 62778612 is about 397.4390808901.

The spelling of 62778612 in words is "sixty-two million, seven hundred seventy-eight thousand, six hundred twelve".