61469457 has 16 divisors (see below), whose sum is σ = 94989312. Its totient is φ = 34629840.

The previous prime is 61469449. The next prime is 61469477. The reversal of 61469457 is 75496416.

It is not a de Polignac number, because 61469457 - 2³ = 61469449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61469407) 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, 19123 + ... + 22104.

It is an arithmetic number, because the mean of its divisors is an integer number (5936832).

Almost surely, 2^61469457 is an apocalyptic number.

It is an amenable number.

61469457 is a deficient number, since it is larger than the sum of its proper divisors (33519855).

61469457 is a wasteful number, since it uses less digits than its factorization.

61469457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41308.

The product of its digits is 181440, while the sum is 42.

The square root of 61469457 is about 7840.2459782841. The cubic root of 61469457 is about 394.6569836308.

The spelling of 61469457 in words is "sixty-one million, four hundred sixty-nine thousand, four hundred fifty-seven".