61273077 has 8 divisors (see below), whose sum is σ = 81738816. Its totient is φ = 40828032.

The previous prime is 61273067. The next prime is 61273087. The reversal of 61273077 is 77037216.

It is an interprime number because it is at equal distance from previous prime (61273067) and next prime (61273087).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61273077 - 2¹⁰ = 61272053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61273067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4128 + ... + 11814.

It is an arithmetic number, because the mean of its divisors is an integer number (10217352).

Almost surely, 2^61273077 is an apocalyptic number.

It is an amenable number.

61273077 is a deficient number, since it is larger than the sum of its proper divisors (20465739).

61273077 is a wasteful number, since it uses less digits than its factorization.

61273077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 61273077 is about 7827.7121178541. The cubic root of 61273077 is about 394.2362575056.

The spelling of 61273077 in words is "sixty-one million, two hundred seventy-three thousand, seventy-seven".