60639697 has 24 divisors (see below), whose sum is σ = 69704712. Its totient is φ = 52531200.

The previous prime is 60639679. The next prime is 60639703. The reversal of 60639697 is 79693606.

It can be written as a sum of positive squares in 4 ways, for example, as 8785296 + 51854401 = 2964^2 + 7201^2 .

It is not a de Polignac number, because 60639697 - 2¹⁵ = 60606929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60639617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251497 + ... + 251737.

It is an arithmetic number, because the mean of its divisors is an integer number (2904363).

Almost surely, 2^60639697 is an apocalyptic number.

It is an amenable number.

60639697 is a deficient number, since it is larger than the sum of its proper divisors (9065015).

60639697 is a wasteful number, since it uses less digits than its factorization.

60639697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 60639697 is about 7787.1494784677. The cubic root of 60639697 is about 392.8731426526.

The spelling of 60639697 in words is "sixty million, six hundred thirty-nine thousand, six hundred ninety-seven".