61240007 has 8 divisors (see below), whose sum is σ = 64210560. Its totient is φ = 58295160.

The previous prime is 61239901. The next prime is 61240027. The reversal of 61240007 is 70004216.

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

It is a cyclic number.

It is not a de Polignac number, because 61240007 - 2¹⁴ = 61223623 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 (61240027) 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, 1457 + ... + 11162.

It is an arithmetic number, because the mean of its divisors is an integer number (8026320).

Almost surely, 2^61240007 is an apocalyptic number.

61240007 is a deficient number, since it is larger than the sum of its proper divisors (2970553).

61240007 is a wasteful number, since it uses less digits than its factorization.

61240007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 61240007 is about 7825.5994658556. The cubic root of 61240007 is about 394.1653196654.

The spelling of 61240007 in words is "sixty-one million, two hundred forty thousand, seven".