19672950 has 48 divisors (see below), whose sum is σ = 53228736. Its totient is φ = 4768800.

The previous prime is 19672949. The next prime is 19672951. The reversal of 19672950 is 5927691.

It is an interprime number because it is at equal distance from previous prime (19672949) and next prime (19672951).

It is a junction number, because it is equal to n+sod(n) for n = 19672899 and 19672908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19672951) 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, 4312 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (1108932).

Almost surely, 2^19672950 is an apocalyptic number.

19672950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19672950 is an abundant number, since it is smaller than the sum of its proper divisors (33555786).

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

19672950 is a wasteful number, since it uses less digits than its factorization.

19672950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949 (or 11944 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 19672950 is about 4435.4199350231. The cubic root of 19672950 is about 269.9540388159.

The spelling of 19672950 in words is "nineteen million, six hundred seventy-two thousand, nine hundred fifty".