62770420 has 12 divisors (see below), whose sum is σ = 131817924. Its totient is φ = 25108160.

The previous prime is 62770417. The next prime is 62770423. The reversal of 62770420 is 2407726.

It is an interprime number because it is at equal distance from previous prime (62770417) and next prime (62770423).

It can be written as a sum of positive squares in 2 ways, for example, as 9217296 + 53553124 = 3036^2 + 7318^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62770423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569241 + ... + 1569280.

It is an arithmetic number, because the mean of its divisors is an integer number (10984827).

Almost surely, 2^62770420 is an apocalyptic number.

It is an amenable number.

62770420 is an abundant number, since it is smaller than the sum of its proper divisors (69047504).

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

62770420 is a wasteful number, since it uses less digits than its factorization.

62770420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138530 (or 3138528 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 62770420 is about 7922.7785530078. The cubic root of 62770420 is about 397.4217928230.

It can be divided in two parts, 62770 and 420, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 62770420 in words is "sixty-two million, seven hundred seventy thousand, four hundred twenty".