60078749 has 4 divisors (see below), whose sum is σ = 62150460. Its totient is φ = 58007040.

The previous prime is 60078727. The next prime is 60078761. The reversal of 60078749 is 94787006.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94787006 = 2 ⋅47393503.

It can be written as a sum of positive squares in 2 ways, for example, as 36990724 + 23088025 = 6082^2 + 4805^2 .

It is a cyclic number.

It is not a de Polignac number, because 60078749 - 2²⁰ = 59030173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60078049) 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, 1035812 + ... + 1035869.

It is an arithmetic number, because the mean of its divisors is an integer number (15537615).

Almost surely, 2^60078749 is an apocalyptic number.

It is an amenable number.

60078749 is a deficient number, since it is larger than the sum of its proper divisors (2071711).

60078749 is a wasteful number, since it uses less digits than its factorization.

60078749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071710.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 60078749 is about 7751.0482516883. The cubic root of 60078749 is about 391.6579625247.

The spelling of 60078749 in words is "sixty million, seventy-eight thousand, seven hundred forty-nine".