61421673767307 has 32 divisors (see below), whose sum is σ = 99243932143104. Its totient is φ = 32985699724800.

The previous prime is 61421673767291. The next prime is 61421673767407. The reversal of 61421673767307 is 70376737612416.

It is not a de Polignac number, because 61421673767307 - 2⁴ = 61421673767291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61421673767407) 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, 124246444 + ... + 124739817.

It is an arithmetic number, because the mean of its divisors is an integer number (3101372879472).

Almost surely, 2^{61421673767307} is an apocalyptic number.

61421673767307 is a deficient number, since it is larger than the sum of its proper divisors (37822258375797).

61421673767307 is a wasteful number, since it uses less digits than its factorization.

61421673767307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248986979.

The product of its (nonzero) digits is 37340352, while the sum is 60.

The spelling of 61421673767307 in words is "sixty-one trillion, four hundred twenty-one billion, six hundred seventy-three million, seven hundred sixty-seven thousand, three hundred seven".