61673950 has 48 divisors (see below), whose sum is σ = 124367040. Its totient is φ = 22619520.

The previous prime is 61673947. The next prime is 61673951. The reversal of 61673950 is 5937616.

It is a super-2 number, since 2×61673950² = 7607352217205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61673951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155152 + ... + 155548.

It is an arithmetic number, because the mean of its divisors is an integer number (2590980).

Almost surely, 2^61673950 is an apocalyptic number.

61673950 is an abundant number, since it is smaller than the sum of its proper divisors (62693090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61673950 is a wasteful number, since it uses less digits than its factorization.

61673950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 61673950 is about 7853.2763863244. The cubic root of 61673950 is about 395.0941398223.

The spelling of 61673950 in words is "sixty-one million, six hundred seventy-three thousand, nine hundred fifty".