7872067490 has 32 divisors (see below), whose sum is σ = 16422061824. Its totient is φ = 2660978880.

The previous prime is 7872067471. The next prime is 7872067513. The reversal of 7872067490 is 947602787.

It is a super-2 number, since 2×7872067490² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786989 + ... + 796928.

It is an arithmetic number, because the mean of its divisors is an integer number (513189432).

Almost surely, 2^7872067490 is an apocalyptic number.

7872067490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7872067490 is an abundant number, since it is smaller than the sum of its proper divisors (8549994334).

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

7872067490 is a wasteful number, since it uses less digits than its factorization.

7872067490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584002.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 7872067490 is about 88724.6723859829. The cubic root of 7872067490 is about 1989.2816182604.

The spelling of 7872067490 in words is "seven billion, eight hundred seventy-two million, sixty-seven thousand, four hundred ninety".