61971046 has 24 divisors (see below), whose sum is σ = 101166840. Its totient is φ = 28391040.

The previous prime is 61971043. The next prime is 61971061. The reversal of 61971046 is 64017916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61971043) 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, 35670 + ... + 37366.

It is an arithmetic number, because the mean of its divisors is an integer number (4215285).

Almost surely, 2^61971046 is an apocalyptic number.

61971046 is a deficient number, since it is larger than the sum of its proper divisors (39195794).

61971046 is a wasteful number, since it uses less digits than its factorization.

61971046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 61971046 is about 7872.1690784688. The cubic root of 61971046 is about 395.7275401954.

The spelling of 61971046 in words is "sixty-one million, nine hundred seventy-one thousand, forty-six".