61464769 has 4 divisors (see below), whose sum is σ = 61480960. Its totient is φ = 61448580.

The previous prime is 61464761. The next prime is 61464797. The reversal of 61464769 is 96746416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61464769 - 2³ = 61464761 is a prime.

It is a super-2 number, since 2×61464769² = 7555835656446722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61464761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (15370240).

Almost surely, 2^61464769 is an apocalyptic number.

It is an amenable number.

61464769 is a deficient number, since it is larger than the sum of its proper divisors (16191).

61464769 is a wasteful number, since it uses less digits than its factorization.

61464769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16190.

The product of its digits is 217728, while the sum is 43.

The square root of 61464769 is about 7839.9470023719. The cubic root of 61464769 is about 394.6469504693.

The spelling of 61464769 in words is "sixty-one million, four hundred sixty-four thousand, seven hundred sixty-nine".