61850007 has 16 divisors (see below), whose sum is σ = 91756000. Its totient is φ = 41176512.

The previous prime is 61850003. The next prime is 61850027. The reversal of 61850007 is 70005816.

It is not a de Polignac number, because 61850007 - 2² = 61850003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61850003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29469 + ... + 31497.

It is an arithmetic number, because the mean of its divisors is an integer number (5734750).

Almost surely, 2^61850007 is an apocalyptic number.

61850007 is a deficient number, since it is larger than the sum of its proper divisors (29905993).

61850007 is a wasteful number, since it uses less digits than its factorization.

61850007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 61850007 is about 7864.4775414518. The cubic root of 61850007 is about 395.4697333265.

It can be divided in two parts, 618 and 50007, that added together give a 4-th power (50625 = 15⁴).

The spelling of 61850007 in words is "sixty-one million, eight hundred fifty thousand, seven".