61268207 has 32 divisors (see below), whose sum is σ = 83241984. Its totient is φ = 43545600.

The previous prime is 61268203. The next prime is 61268209. The reversal of 61268207 is 70286216.

It is not a de Polignac number, because 61268207 - 2² = 61268203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61268203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96782 + ... + 97412.

It is an arithmetic number, because the mean of its divisors is an integer number (2601312).

Almost surely, 2^61268207 is an apocalyptic number.

61268207 is a deficient number, since it is larger than the sum of its proper divisors (21973777).

61268207 is a wasteful number, since it uses less digits than its factorization.

61268207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 61268207 is about 7827.4010373814. The cubic root of 61268207 is about 394.2258125623.

Subtracting 61268207 from its reverse (70286216), we obtain a square (9018009 = 3003²).

The spelling of 61268207 in words is "sixty-one million, two hundred sixty-eight thousand, two hundred seven".