61419755 has 4 divisors (see below), whose sum is σ = 73703712. Its totient is φ = 49135800.

The previous prime is 61419749. The next prime is 61419769. The reversal of 61419755 is 55791416.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61419755 - 2²⁴ = 44642539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6141971 + ... + 6141980.

It is an arithmetic number, because the mean of its divisors is an integer number (18425928).

Almost surely, 2^61419755 is an apocalyptic number.

61419755 is a deficient number, since it is larger than the sum of its proper divisors (12283957).

61419755 is a wasteful number, since it uses less digits than its factorization.

61419755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283956.

The product of its digits is 37800, while the sum is 38.

The square root of 61419755 is about 7837.0756663439. The cubic root of 61419755 is about 394.5505864516.

The spelling of 61419755 in words is "sixty-one million, four hundred nineteen thousand, seven hundred fifty-five".