62478649 has 4 divisors (see below), whose sum is σ = 65195136. Its totient is φ = 59762164.

The previous prime is 62478643. The next prime is 62478659. The reversal of 62478649 is 94687426.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94687426 = 2 ⋅47343713.

It is a cyclic number.

It is not a de Polignac number, because 62478649 - 2³ = 62478641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 62478599 and 62478608.

It is not an unprimeable number, because it can be changed into a prime (62478641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358209 + ... + 1358254.

It is an arithmetic number, because the mean of its divisors is an integer number (16298784).

Almost surely, 2^62478649 is an apocalyptic number.

It is an amenable number.

62478649 is a deficient number, since it is larger than the sum of its proper divisors (2716487).

62478649 is a wasteful number, since it uses less digits than its factorization.

62478649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716486.

The product of its digits is 580608, while the sum is 46.

The square root of 62478649 is about 7904.3436792690. The cubic root of 62478649 is about 396.8050677120.

The spelling of 62478649 in words is "sixty-two million, four hundred seventy-eight thousand, six hundred forty-nine".