61062775 has 6 divisors (see below), whose sum is σ = 75717872. Its totient is φ = 48850200.

The previous prime is 61062721. The next prime is 61062779. The reversal of 61062775 is 57726016.

It is not a de Polignac number, because 61062775 - 2¹³ = 61054583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61062775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61062779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1221231 + ... + 1221280.

Almost surely, 2^61062775 is an apocalyptic number.

61062775 is a deficient number, since it is larger than the sum of its proper divisors (14655097).

61062775 is a wasteful number, since it uses less digits than its factorization.

61062775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442521 (or 2442516 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 61062775 is about 7814.2674000830. The cubic root of 61062775 is about 393.7847067753.

The spelling of 61062775 in words is "sixty-one million, sixty-two thousand, seven hundred seventy-five".