61429473 has 12 divisors (see below), whose sum is σ = 101407488. Its totient is φ = 35102520.

The previous prime is 61429469. The next prime is 61429477. The reversal of 61429473 is 37492416.

It is an interprime number because it is at equal distance from previous prime (61429469) and next prime (61429477).

It is not a de Polignac number, because 61429473 - 2² = 61429469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61429477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487473 + ... + 487598.

It is an arithmetic number, because the mean of its divisors is an integer number (8450624).

Almost surely, 2^61429473 is an apocalyptic number.

61429473 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

61429473 is a deficient number, since it is larger than the sum of its proper divisors (39978015).

61429473 is a wasteful number, since it uses less digits than its factorization.

61429473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975084 (or 975081 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 61429473 is about 7837.6956434911. The cubic root of 61429473 is about 394.5713943083.

The spelling of 61429473 in words is "sixty-one million, four hundred twenty-nine thousand, four hundred seventy-three".