61426755 has 48 divisors (see below), whose sum is σ = 118940640. Its totient is φ = 30233088.

The previous prime is 61426711. The next prime is 61426769. The reversal of 61426755 is 55762416.

It is a happy number.

It is not a de Polignac number, because 61426755 - 2⁶ = 61426691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13851 + ... + 17739.

It is an arithmetic number, because the mean of its divisors is an integer number (2477930).

Almost surely, 2^61426755 is an apocalyptic number.

61426755 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61426755 is a deficient number, since it is larger than the sum of its proper divisors (57513885).

61426755 is a wasteful number, since it uses less digits than its factorization.

61426755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922 (or 3910 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 61426755 is about 7837.5222487722. The cubic root of 61426755 is about 394.5655748386.

The spelling of 61426755 in words is "sixty-one million, four hundred twenty-six thousand, seven hundred fifty-five".